1 /* 2 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.microbenchmarks.graal.util; 24 25 import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getGraph; 26 import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getMethodFromMethodSpec; 27 import jdk.vm.ci.meta.ResolvedJavaMethod; 28 29 import org.openjdk.jmh.annotations.Level; 30 import org.openjdk.jmh.annotations.Scope; 31 import org.openjdk.jmh.annotations.Setup; 32 import org.openjdk.jmh.annotations.State; 33 34 import org.graalvm.compiler.debug.Debug; 35 import org.graalvm.compiler.debug.DebugEnvironment; 36 import org.graalvm.compiler.debug.internal.DebugScope; 37 import org.graalvm.compiler.nodes.StructuredGraph; 38 39 /** 40 * State providing a new copy of a graph for each invocation of a benchmark. Subclasses of this 41 * class are annotated with {@link MethodSpec} to specify the Java method that will be parsed to 42 * obtain the original graph. 43 */ 44 @State(Scope.Thread) 45 public abstract class GraphState { 46 47 @SuppressWarnings("try") 48 public GraphState() { 49 // Ensure a debug configuration for this thread is initialized 50 if (Debug.isEnabled() && DebugScope.getConfig() == null) { 51 DebugEnvironment.initialize(System.out); 52 } 53 54 GraalState graal = new GraalState(); 55 ResolvedJavaMethod method = graal.metaAccess.lookupJavaMethod(getMethodFromMethodSpec(getClass())); 56 StructuredGraph structuredGraph = null; 57 try (Debug.Scope s = Debug.scope("GraphState", method)) { 58 structuredGraph = preprocessOriginal(getGraph(graal, method)); 59 } catch (Throwable t) { 60 Debug.handle(t); 61 } 62 this.originalGraph = structuredGraph; 63 } 64 65 protected StructuredGraph preprocessOriginal(StructuredGraph structuredGraph) { 66 return structuredGraph; 67 } 68 69 /** 70 * Original graph from which the per-benchmark invocation {@link #graph} is cloned. 71 */ 72 private final StructuredGraph originalGraph; 73 74 /** 75 * The graph processed by the benchmark. 76 */ 77 public StructuredGraph graph; 78 79 @Setup(Level.Invocation) 80 public void beforeInvocation() { 81 graph = (StructuredGraph) originalGraph.copy(); 82 } 83 }